"Of all the things I teach you in alchemy, Redstone is the least reliant on magical power. I showed it to you before, but Redstone needs to be activated too. You can think of it as a kind of inexhaustible energy source, but you need to give it an initial burst of energy."
Kayson took out a block of Redstone and placed it on the desk.
"For example, if I create a Redstone alchemical construct, it needs a certain amount of magical power to operate. Let's call that amount x."
"Redstone is then equivalent to this alchemical construct's power source. If we infuse ordinary Redstone with x points of magical power, it can continuously output those same x points of magical power."
"Even just x points would drain more than half the magical power of a second-year wizard like you. If you don't believe me, give it a try. This piece of Redstone, about the size of a fingertip, is roughly x points of magical power." After speaking, Kayson pushed the Redstone block toward Neville.
Neville held it in his hand and realized that this Redstone block was different from the ones Kayson had given them before. It was much dimmer, without that strange magical fluctuation.
It seemed the Redstone blocks he had given them before had all been activated in advance by Professor Kayson. This was what they originally looked like.
Neville clenched his fist and began pouring magical power into the Redstone. Only when he had reached his limit did he place the activated Redstone back on the table, his palm already slick with sweat.
Yet his small, tense face still wore that determined expression.
Seeing this, Kayson picked up the Redstone and gave Neville a helpless look. "Not bad talent... Tell me why."
"I want to use